98mm Convolute LE Phenolilc Liner and Kraft paper Casting Tube - Casting tube ID is 3.225".
These heavy duty liner tubes stand up to heat and pressure far better than spiral kraft phenolic liners but are a step below the X grades. They use high quality kraft paper casting tubes and come in random lengths between 46" and 49". They will only fit hardware made from tubing with a 3.5" ID.
LE grade is shown on top.